{"nhtsa_id":10017768,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-11-30","date":"2005-10-01","document_id":"023","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"HESITATION FOR A SHORT PERIOD OF TIME AFTER AN INITIAL COLD START. ECM REPROGRAMMING/UPGRADE. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10017768","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KIA","model":"OPTIMA","year_from":2003,"year_to":2005,"match":"exact","vehicle_ids":["2003_kia_optima","2004_kia_optima","2005_kia_optima"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}